:root {
  --paper: #ffffff;
  --paper-soft: #f3f5f6;
  --ink: #171512;
  --muted: #6d665d;
  --line: rgba(23, 21, 18, 0.14);
  --accent: #6a3d31;
  --accent-soft: rgba(106, 61, 49, 0.08);
  --shadow: 0 18px 48px rgba(23, 21, 18, 0.06);
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

body {
  width: 100%;
  max-width: 100%;
}
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  overscroll-behavior-x: none;
  touch-action: pan-y pinch-zoom;
  background:
    radial-gradient(circle at 7% 11%, rgba(196, 142, 118, 0.03), transparent 26rem),
    radial-gradient(circle at 92% 22%, rgba(143, 170, 182, 0.03), transparent 30rem),
    linear-gradient(180deg, #ffffff, #ffffff);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ink); color: var(--paper); }
a { color: inherit; text-decoration: none; }

.grain {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
}

.sprint-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 12px 18px;
  background: #12100d;
  color: #fffdf8;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 10px 28px rgba(0,0,0,0.08);
  font-size: 0.92rem;
}
.bar-kicker {
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}
.bar-copy { font-weight: 700; }
.bar-sub { color: rgba(255,255,255,0.74); }
.bar-cta {
  font-weight: 700;
  color: #f2c6bc;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 44px;
}

.masthead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.identity {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.mark-image {
  width: 34px;
  height: 34px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(23, 21, 18, 0.08);
  box-shadow: 0 1px 0 rgba(255,255,255,0.7) inset;
  flex: 0 0 auto;
}

.status,
.eyebrow,
.section-label,
.index,
.social-label {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
}
.status,
.social-label,
.index,
.door-note,
.section-label { color: var(--muted); }

.hero {
  position: relative;
  isolation: isolate;
  padding: clamp(74px, 12vw, 142px) 0 clamp(64px, 9vw, 116px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 870px;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 0;
  max-width: 900px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.3rem, 8vw, 7.5rem);
  line-height: 0.94;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

h1 em { color: var(--accent); font-weight: 400; }

.intro {
  max-width: 720px;
  margin: 34px 0 0;
  color: #302c27;
  font-size: clamp(1.03rem, 1.8vw, 1.34rem);
  line-height: 1.62;
}

.brain-drawing {
  position: absolute;
  z-index: 0;
  width: clamp(150px, 22vw, 250px);
  color: rgba(23, 21, 18, 0.08);
  pointer-events: none;
}
.logic-drawing { left: -8%; top: 9%; transform: rotate(-4deg); }
.intuition-drawing { right: -10%; top: 18%; transform: rotate(7deg); color: rgba(106, 61, 49, 0.10); }

.doors { border-top: 1px solid var(--line); }
.door {
  display: grid;
  grid-template-columns: 72px minmax(240px, 1.2fr) 1fr 40px;
  align-items: center;
  min-height: 104px;
  border-bottom: 1px solid var(--line);
  transition: padding 220ms ease, background 220ms ease;
}
.door:hover,
.door:focus-visible {
  padding-left: 16px;
  background: rgba(0,0,0,0.018);
  outline: none;
}
.sprint-door { background: var(--accent-soft); }
.sprint-door:hover,
.sprint-door:focus-visible { background: rgba(106, 61, 49, 0.12); }

.door-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.75rem);
  letter-spacing: -0.025em;
}
.door-note { font-size: 0.95rem; }
.arrow { justify-self: end; font-size: 1.3rem; }

.credibility { padding: 104px 0 124px; }
.section-label {
  margin: 0 0 28px;
  color: var(--accent);
  font-weight: 700;
}

.logo-marquee {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(0,0,0,0.015);
}
.logo-marquee::before,
.logo-marquee::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  width: 8vw;
  pointer-events: none;
}
.logo-marquee::before { left: 0; background: linear-gradient(90deg, #ffffff, transparent); }
.logo-marquee::after { right: 0; background: linear-gradient(-90deg, #ffffff, transparent); }
.logo-track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.logo-set {
  display: flex;
  align-items: center;
  gap: clamp(52px, 6vw, 92px);
  padding: 28px clamp(28px, 4vw, 60px);
}
.client-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  color: rgba(23, 21, 18, 0.68);
  filter: grayscale(1);
  white-space: nowrap;
}
.ibm { font-size: 1.8rem; font-weight: 700; letter-spacing: .04em; }
.gsk { font-size: 1.7rem; font-weight: 600; font-style: italic; text-transform: lowercase; }
.viacom { font-size: 1.15rem; font-weight: 600; letter-spacing: -.04em; }
.viacom span { font-weight: 400; }
.microsoft { gap: 9px; font-size: 1.05rem; font-weight: 500; }
.microsoft i {
  width: 22px; height: 22px; display: inline-block;
  background: conic-gradient(from 90deg, #777 0 25%, transparent 0 27%, #777 0 50%, transparent 0 52%, #777 0 75%, transparent 0 77%, #777 0);
}
.un { gap: 8px; font-size: .75rem; letter-spacing: .08em; font-weight: 600; }
.un b { font-size: 1.7rem; font-weight: 400; }
.myriad { font-size: 1.05rem; font-weight: 500; text-transform: lowercase; }
.bcg { font-size: 1.7rem; font-weight: 700; letter-spacing: -.06em; }
@keyframes marquee { to { transform: translateX(-50%); } }

.credibility-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 48px;
  align-items: start;
  margin-top: 52px;
}

.availability {
  max-width: 660px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.04;
}

.socials {
  justify-self: end;
  max-width: 320px;
}
.social-label {
  margin: 4px 0 16px;
  color: var(--accent);
  font-weight: 700;
}
.social-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.social-grid a {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
  box-shadow: var(--shadow);
}
.social-grid a:hover,
.social-grid a:focus-visible {
  transform: translateY(-2px);
  background: rgba(0,0,0,0.02);
  border-color: rgba(23, 21, 18, 0.24);
  outline: none;
}
.social-grid svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: end;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}
footer p { margin: 0; }
.footer-sprint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  text-decoration: none;
  position: relative;
  font-weight: 600;
}
.footer-sprint::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transform: scaleX(0.55);
  transition: transform 180ms ease;
}
.footer-sprint:hover::after,
.footer-sprint:focus-visible::after { transform: scaleX(1); }
.sparkle {
  color: var(--accent);
  animation: twinkle 1.6s ease-in-out infinite alternate;
}
.footer-arrow { transition: transform 180ms ease; }
.footer-sprint:hover .footer-arrow,
.footer-sprint:focus-visible .footer-arrow { transform: translateX(2px) translateY(-1px); }
@keyframes twinkle {
  from { opacity: .55; transform: scale(.9) rotate(-10deg); }
  to { opacity: 1; transform: scale(1.08) rotate(8deg); }
}
.copyright { justify-self: end; }

@media (max-width: 980px) {
  .credibility-grid { grid-template-columns: 1fr; gap: 28px; }
  .socials { justify-self: start; max-width: none; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 24px, 1180px); padding-top: 18px; }
  .sprint-bar { justify-content: flex-start; padding: 12px 14px; }
  .status { display: none; }
  .hero { padding-top: 66px; }
  h1 { font-size: clamp(3.05rem, 15vw, 5.5rem); }
  .intro { margin-top: 28px; }
  .logic-drawing { left: -24%; top: 14%; }
  .intuition-drawing { right: -27%; top: 22%; }
  .brain-drawing { opacity: .6; }
  .door {
    grid-template-columns: 46px 1fr 28px;
    grid-template-areas: "index title arrow" ". note arrow";
    gap: 4px 10px;
    min-height: 110px;
  }
  .index { grid-area: index; }
  .door-title { grid-area: title; }
  .door-note { grid-area: note; }
  .arrow { grid-area: arrow; }
  .credibility { padding: 90px 0; }
  .social-grid { grid-template-columns: repeat(3, 62px); }
  footer { grid-template-columns: 1fr; align-items: start; }
  .footer-sprint { margin-top: 6px; }
  .copyright { justify-self: start; margin-top: 12px; }
  .desktop-break { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .logo-track { animation: none; }
  .sparkle { animation: none; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}


/* V1.3.6 — iOS/mobile pinch-zoom stability */
.sprint-bar,
.shell,
.masthead,
.hero,
.hero-copy,
.doors,
.credibility,
.credibility-grid,
footer {
  max-width: 100%;
}

.hero {
  overflow: clip;
}

.sprint-bar {
  width: 100%;
  margin-inline: 0;
  padding-left: max(18px, env(safe-area-inset-left));
  padding-right: max(18px, env(safe-area-inset-right));
}

@media (hover: none), (pointer: coarse) {
  .hero {
    transform: none !important;
  }
}

@media (max-width: 760px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
  }

  .shell {
    width: calc(100% - 24px);
    max-width: calc(100% - 24px);
    margin-inline: auto;
  }

  /* Full-viewport breakout was allowing Safari to pan sideways after zoom. */
  .logo-marquee {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
  }

  /* Decorative drawings stay inside the hero's clipping boundary. */
  .brain-drawing {
    max-width: 46vw;
  }

  .logic-drawing {
    left: -18%;
  }

  .intuition-drawing {
    right: -20%;
  }

  .door,
  .door-note,
  .door-title {
    min-width: 0;
  }

  .door-title,
  .door-note {
    overflow-wrap: anywhere;
  }
}